DFU

Question 1

Contraindications

Answer 1

Angle closure glaucoma where angle has not been surgically opened

Question 2

Contraindications

Answer 2

Previous glaucoma shunt/valve in the target quadrant

Question 3

Contraindications

Answer 3

Presence of conjunctival scarring, prior conjunctival surgery or other conjunctival pathologies (eg, pterygium) in the target quadrant

Question 4

Contraindications

Answer 4

Active inflammation (eg, blepharitis, conjunctivitis, keratitis, uveitis)

Question 5

Contraindications

Answer 5

Active iris neovascularization or neovascularization of the iris within 6 months of the surgical date

Question 6

Contraindications

Answer 6

Anterior chamber intraocular lens

Question 7

Contraindications

Answer 7

Presence of intraocular silicone oil

Question 8

Contraindications

Answer 8

Vitreous present in the anterior chamber

Question 9

Indications

Answer 9

The XEN® Glaucoma Treatment System is indicated for the management of refractory glaucomas, including cases where previous surgical treatment has failed, cases of primary open angle glaucoma, and pseudoexfoliative or pigmentary glaucoma with open angles that are unresponsive to maximum tolerated medical therapy